The effect of increasing the rate of repetitions of classical reactionsUsing quantum theory operator methods we discuss the general reversible reactions A1+A2+... Ar B1+B2+... +Bs, where r and s are arbitrary natural positive numbers. We show…D. Bar·Jan 16, 2005SaveLearn
A New Algorithm to Smooth Quantization ErrorsWe have devised a simple numerical technique to treat rugged data points that arise due to the insufficient gain setting error (or quantization error) of a digital instrument. This is a very wide…Ayan Paul, P. K. Mukhopadhyay·Jan 4, 2005SaveLearn
Variable Step Random Walks and Self-Similar DistributionsWe study a scenario under which variable step random walks give anomalous statistics. We begin by analyzing the Martingale Central Limit Theorem to find a sufficient condition for the limit…Gemunu H. Gunaratne, Joseph L. McCauley, Matthew Nicol et al.·Dec 31, 2004SaveLearn
Late comment on Astumian's paradoxIn 2001 Astumian published a very simple game which can be described by a Markov chain with absorbing initial and final states. In August 2004 Piotrowski and Sladowski asserted that Astumian's…L. Pal·Dec 24, 2004SaveLearn
Six years of BeppoSAX observations of blazars: a spectral catalogWe present a spectral catalog for blazars based on the BeppoSAX archive. The sample includes 44 High-energy peaked BL Lacs (HBLs), 14 Low-energy peaked BL Lacs (LBLs), and 28 Flat Spectrum Radio…D. Donato, R. M. Sambruna, M. Gliozzi·Dec 17, 2004SaveLearn
Optimal Determination of the Equilibrium Displacement of a Damped Harmonic Oscillator in the Presence of Thermal NoiseUsing a matched filter technique, we derive the minimum variance, unbiased estimator for the equilibrium displacement of a damped harmonic oscillator in thermal equilibrium when interactions with the…M. W. Moore, J. H. Steffen, P. E. Boynton·Dec 17, 2004SaveLearn
Inferring the success parameter p of a binomial model from small samples affected by backgroundThe problem of inferring the binomial parameter p from x successes obtained in n trials is reviewed and extended to take into account the presence of background, that can affect the data in two ways:…G. D'Agostini·Dec 13, 2004SaveLearn
Application of Multifractal Measures to Tehran Price IndexWe report an empirical study of Tehran Price Index (TEPIX). To analyze our data we use various methods like as, rescaled range analysis (R/S), modified rescaled range analysis (Lo's method),…P. Norouzzadeh, G. R. Jafari·Dec 11, 2004SaveLearn
Spectral Mixture Decomposition by Least Dependent Component AnalysisA recently proposed mutual information based algorithm for decomposing data into least dependent components (MILCA) is applied to spectral analysis, namely to blind recovery of concentrations and…Sergey A. Astakhov, Harald Stögbauer, Alexander Kraskov et al.·Dec 4, 2004SaveLearn
Stochastic analysis of different rough surfacesThis paper shows in detail the application of a new stochastic approach for the characterization of surface height profiles, which is based on the theory of Markov processes. With this analysis we…M. Waechter, F. Riess, Th. Schimmel et al.·Nov 30, 2004SaveLearn
Evidence of crossover phenomena in wind speed dataIn this report, a systematic analysis of hourly wind speed data obtained from three potential wind generation sites (in North Dakota) is analyzed. The power spectra of the data exhibited a power-law…Rajesh G. Kavasseri, Radhakrishnan Nagarajan·Nov 20, 2004SaveLearn
Multi-Terabyte EIDE Disk Arrays running Linux RAID5High-energy physics experiments are currently recording large amounts of data and in a few years will be recording prodigious quantities of data. New methods must be developed to handle this data and…D. A. Sanders, L. M. Cremaldi, V. Eschenburg et al.·Nov 19, 2004SaveLearn
Boosted Decision Trees as an Alternative to Artificial Neural Networks for Particle IdentificationThe efficacy of particle identification is compared using artificial neutral networks and boosted decision trees. The comparison is performed in the context of the MiniBooNE, an experiment at…Byron P. Roe, Hai-Jun Yang, Ji Zhu et al.·Nov 19, 2004SaveLearn
Observations of three slow glitches in the spin rate of the pulsar B1822-09Three slow glitches in the rotation rate of the pulsar B1822-09 were revealed over the 1995-2004 interval. The slow glitches observed are characterized by a gradual increase in the rotation frequency…T. V. Shabanova·Nov 17, 2004SaveLearn
Estimation of time delay by coherence analysisUsing coherence analysis (which is an extensively used method to study the correlations in frequency domain, between two simultaneously measured signals) we estimate the time delay between two…R. B. Govindan, J. Raethjen, F. Kopper et al.·Nov 16, 2004SaveLearn
A new set of Monte Carlo moves for lattice random-walk models of biased diffusionWe recently demonstrated that standard fixed-time lattice random-walk models cannot be modified to properly represent biased diffusion processes in more than two dimensions. The origin of this…Michel G. Gauthier, Gary W. Slater·Nov 15, 2004SaveLearn
On a possible dynamical scenario leading to a generalised Gamma distributionIn this report I present a possible scenario which can lead to the emergence of a generalised Gamma distribution first presented by R. Osorio et al. as the distribution of traded volumes of stocks in…Silvio M. Duarte Queiros·Nov 10, 2004SaveLearn
Scaling and wavelet-based analyses of the long-term heart rate variability of the Eastern OysterCharacterisations of the long-term behaviour of heart rate variability in humans have emerged in the last few years as promising candidates to became clinically significant tools. We present two…P. A. Ritto, J. G. Contreras, J. J. Alvarado-Gil·Nov 8, 2004SaveLearn
Discrete Scale Invariance in the Cascade Heart Rate Variability Of Healthy HumansEvidence of discrete scale invariance (DSI) in daytime healthy heart rate variability (HRV) is presented based on the log-periodic power law scaling of the heart beat interval increment. Our analysis…Der Chyan Lin·Nov 4, 2004SaveLearn
Drawing Particle Symbols and Feynman Diagrams with OfficeParticle symbols and Feynman diagrams often used in particle physics can be generated by a word document processor. Standard office packages have their built in symbols such as solid-line,…Orhan Cakir·Nov 1, 2004SaveLearn
X-ray properties of the transient pulsar 3A 0535+262 in quiescenceWe present the timing and spectral properties of the transient Be/X-ray binary pulsar 3A 0535+262 during quiescence using three observations with the narrow field imaging instruments (NFI) of…U. Mukherjee, B. Paul·Oct 27, 2004SaveLearn
THE CAVES Project - Collaborative Analysis Versioning Environment System; THE CODESH Project - Collaborative Development ShellA key feature of collaboration in science and software development is to have a log of what and how is being done - for private use and reuse and for sharing selected parts with collaborators,…Dimitri Bourilkov·Oct 22, 2004SaveLearn
Interval estimation in the presence of nuisance parameters. 1. Bayesian approachWe address the common problem of calculating intervals in the presence of systematic uncertainties. We aim to investigate several approaches, but here describe just a Bayesian technique for setting…Joel Heinrich, Craig Blocker, John Conway et al.·Sep 27, 2004SaveLearn
A Simple Model of Scale-free Networks Driven by both Randomness and AdaptabilityIn this paper, we present a simple model of scale-free networks that incorporates both preferential & random attachment and anti-preferential & random deletion at each time step. We derive the degree…Dinghua Shi, Xiang Zhu, Liming Liu·Sep 22, 2004SaveLearn
Measuring questions: relevance and its relation to entropyThe Boolean lattice of logical statements induces the free distributive lattice of questions. Inclusion on this lattice is based on whether one question answers another. Generalizing the zeta…Kevin H. Knuth·Sep 17, 2004SaveLearn